An authentication bypass vulnerability exists in libcurl ...
High severity
Unreviewed
Published
Mar 30, 2023
to the GitHub Advisory Database
•
Updated Apr 7, 2024
Description
Published by the National Vulnerability Database
Mar 30, 2023
Published to the GitHub Advisory Database
Mar 30, 2023
Last updated
Apr 7, 2024
An authentication bypass vulnerability exists in libcurl <8.0.0 in the FTP connection reuse feature that can result in wrong credentials being used during subsequent transfers. Previously created connections are kept in a connection pool for reuse if they match the current setup. However, certain FTP settings such as CURLOPT_FTP_ACCOUNT, CURLOPT_FTP_ALTERNATIVE_TO_USER, CURLOPT_FTP_SSL_CCC, and CURLOPT_USE_SSL were not included in the configuration match checks, causing them to match too easily. This could lead to libcurl using the wrong credentials when performing a transfer, potentially allowing unauthorized access to sensitive information.
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